Accuracy: < 2% of FS range under constant conditions Analysis Ranges: 0-20, 0-50, 0-100 PPM FS ranges;
Application: Trace PPM H2S in flowing gas streams Approvals:

ATEX 94/9/EC  II 2 G

Ex [ib] ib IIB T4 Gb Tamb –10⁰C to +50⁰C 

Area Classification: ULc Class 1, Division 1, Group C, D hazardous areas Alarms: Two user configurable alarms, relays rated 3A at 100 VAC; alarm time delays; alarm bypass
Calibration: Span gas 50-100 PPM H2S balance air Compensation: Barometric pressure and temperature
Connections: 1/4″ compression tube fittings Controls: Menu driven range selection, calibration, alarms and system functions
Display: Graphical LCD 2.75” x 1.375”; resolution 0.1 PPM; Enclosure: Aluminum ex-proof, fiberglass NEMA 4X, 21x9x6”
Flow: 0.2-1 SCFH Linearity: ±1% of full scale
Pressure: Inlet – regulate to 5-30 psig; vent – atmospheric Power: 12-24 VDC or 100/230 VAC (ATEX only)
Response Time: 90% of final reading in 35 seconds Sample System: Sample flow meter, sample/span control valve
Sensitivity: < 0.5% of FS range Sensor Model: OSV-72-7HH (standard ranges) 
Sensor Life: 24 months at 25ºC and 1 atm. Signal Output: 4-20mA
Operating Range: Recommended –10 ºC to 45ºC;
sensor does not freeze at –20⁰
Warranty: 12 months analyzer; 12 months sensor
Weight: 20 lbs Wetted Parts: Stainless steel

*At constant temperature and pressure

Optional Equipment
OSV-72-7H-LM for ranges 500 PPM to 2000 PPM
 Sample System Pressure regulator, heated sensor jacket
 Enclosure Analyzer housed in NEMA 4 Enclosure